Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Outokumpu OyfiledCriticalOutokumpu Oy
Priority to FI299070ApriorityCriticalpatent/FI46403C/fi
Application grantedgrantedCritical
Publication of FI46403BpublicationCriticalpatent/FI46403B/fi
Publication of FI46403CpublicationCriticalpatent/FI46403C/fi